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diamong [38]
3 years ago
6

Need ASAP!!!! Find the difference of 4,227 and 745.

Mathematics
2 answers:
andrew11 [14]3 years ago
4 0

Answer:

4227-745=3482

Step-by-step explanation:

because 3482+745=4227

Sever21 [200]3 years ago
3 0

Answer:

4227-745=3482

Step-by-step explanation:

For questions like this, I reccomend plugging it in the calculator to give you the right answers! :)

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F(x) = 4x^3 + 7x^2-2x-1<br><br> G(x) = 4x-2<br><br> Find (f-g)(x)
Dmitriy789 [7]
(F-g)(x)=4x^3+7x^2-6x+1
4 0
3 years ago
What is the slope of line shown in the graph (0,3) (1,1)
Aleksandr [31]

Answer:

2

Step-by-step explanation:

rise/run=y2-y1/x2-x1

3-1=2

1-0=1

2/1=2

7 0
4 years ago
Solve for X.<br> 7x – 9 &lt; 12 or 1x + 8 &gt; 11
Fittoniya [83]

Answer:1. x<3

2.x>3

Step-by-step explanation:

Number 1.

Step 1: Add 9 to both sides.

7x−9+9<12+9

7x<21

Step 2: Divide both sides by 7.

7x

7

<

21

7

x<3

Number 2.

1x+8>11

Step 1: Simplify both sides of the inequality.

x+8>11

Step 2: Subtract 8 from both sides.

x+8−8>11−8

x>3

leave alike if this help please.

5 0
3 years ago
How to find left and right inverse of a 3x2 matrix.
Mnenie [13.5K]

Let A be a 3×2 matrix, L its left inverse, and R its right inverse. L and R are then matrices such that LA = I₂ (the 2×2 identity matrix) and AR = I₃ (the 3×3 identity matrix). Clearly L must be 2×3 and R must be 3×2 in order for the matrix products to be defined.

To find L and R, we start by introducing a square matrix on the the left sides of either equation above. In particular, we uniformly multiply both sides by the transpose of A, then solve for the inverse.

For the left inverse, we have

LA=I

(LA)A^\top = IA^\top

L\left(AA^\top\right) = A^\top

\left(L\left(AA^\top\right)\right)\left(AA^\top\right)^{-1} = A^\top \left(AA^\top\right)^{-1}

L\left(\left(AA^\top\right)\left(AA^\top\right)^{-1}\right) = A^\top \left(AA^\top\right)^{-1}

LI = A^\top \left(AA^\top\right)^{-1}

L = A^\top \left(AA^\top\right)^{-1}

We do the same thing for the right inverse, but take care with how we multiply both sides of AR = I₃.

AR=I

A^\top(AR)=A^\top I

\left(A^\top A\right)R = A^\top

\left(A^\top A\right)^{-1} \left(\left(A^\top A\right)R\right) = \left(A^\top A\right)^{-1} A^\top

\left(\left(A^\top A\right)^{-1} \left(A^\top A\right)\right) R = \left(A^\top A\right)^{-1} A^\top

IR = \left(A^\top A\right)^{-1} A^\top

R = \left(A^\top A\right)^{-1} A^\top

4 0
3 years ago
What is the probability of you selecting a vowel (A, E, I, O, U) and then, without returning it, selecting a consonant? Explain
Shtirlitz [24]

Answer:

21/130

Step-by-step explanation:

26 letters in alphabet

- 5 vowels

- 21 consonants

P(vowel) = 5/26

With no replacement, there are now 25 letters of which 21 are consonants

P(consonant) = 21/25

Multiply the two probabilities fo get 21/130

4 0
3 years ago
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